Home / 205,666,293.48-308,522,849.91-74,570,306.50

Finding the Fourth Proportional to 205,666,293.48, 308,522,849.91 and 74,570,306.50

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Solution

The fourth proportional to 205,666,293.48, 308,522,849.91 and 74,570,306.50 is: 111,863,947.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,666,293.48 : 308,522,849.91 = 74,570,306.50 : x
  2. Step 2: Convert to fraction form
    205,666,293.48/308,522,849.91 = 74,570,306.50/x
  3. Step 3: Cross multiply
    205,666,293.48x = 308,522,849.91 × 74,570,306.50
  4. Step 4: Simplify right side
    205,666,293.48x = 23,006,643,480,148,212
  5. Step 5: Solve for x
    x = 23,006,643,480,148,212/205,666,293.48
  6. Step 6: Final answer
    x = 111,863,947.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.